dirname          1548 dmtcp_coordinator.cpp     string dirname = jalib::Filesystem::DirName(uniqueFilename);
dirname          1549 dmtcp_coordinator.cpp     int dirfd = open(dirname.c_str(), O_DIRECTORY | O_RDONLY);
dirname          1550 dmtcp_coordinator.cpp     JASSERT(dirfd != -1) (dirname) (JASSERT_ERRNO);
dirname          1560 dmtcp_coordinator.cpp       (filename) (dirname) (uniqueFilename);